Electrical Box, Box Type Cable, Number of Gangs 2, Bracket Type Fixed 1/2 in Setback, Capacity 32.5 cu in, Material PVC, Number of 1/2 In. Back Knockouts 0, Number of 1/2 In. Side Knockouts 0, Clamp Type NMSC Clamps, Nominal Depth 3 in, Nominal Length 3 5/8 in, Nominal Width 4 in, Color Gray, Standards CM, RoHS, UL Listed Use this nonmetallic cable box in branch circuit wiring to splice wires and accommodate wiring devices such as switches and receptacles. The 1/2" setback positioning tabs provide fast, accurate mounting on studs or joists. The oversized nail support resists hammer impact and prevents box deformation.